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Topic: addition of HCl to pure water in equilibrium with the atmosphere and calcite  (Read 1863 times)

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Offline Silver76

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addition of HCl to pure water in equilibrium with the atmosphere and calcite
« on: October 21, 2018, 11:35:06 AM »
I already calculated the pH of the solution of calcite in pure water and in equilibrium with the atmosphere (open system). The pH was 8.26. But now I need to calculate the concentration of HCl that must be added to this system to low the pH to 7.4. I know that I have to modify the charge balance, but I do not know how. Can somebody help me?
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Offline Borek

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Re: addition of HCl to pure water in equilibrium with the atmosphere and calcite
« Reply #1 on: October 21, 2018, 01:44:34 PM »
The only thing that will change the charge balance is the presence of Cl-.
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